Finding the Fourth Proportional to 838,342.98, 1,253,651.63 and 622,609.07
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Solution
The fourth proportional to 838,342.98, 1,253,651.63 and 622,609.07 is: 931,044.79
Step by Step Solution
- Step 1: Write the proportion equation
838,342.98 : 1,253,651.63 = 622,609.07 : x - Step 2: Convert to fraction form
838,342.98/1,253,651.63 = 622,609.07/x - Step 3: Cross multiply
838,342.98x = 1,253,651.63 × 622,609.07 - Step 4: Simplify right side
838,342.98x = 780,534,866,076.98 - Step 5: Solve for x
x = 780,534,866,076.98/838,342.98 - Step 6: Final answer
x = 931,044.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.